Upload app.py

app.py

@@ -292,30 +292,43 @@ def process_sub_path(path):
 def create_video(project_dir, image_paths, caption_subtitle_file, speech_subtitle_file, 
                audio_file, output_video, audio_durations, panel_start_times, panel_durations):
     try:
-        # 创建帧列表文件 - 使用精确的面板持续时间
-        frames_list = os.path.join(project_dir, "frames.txt")
-        with open(frames_list, "w") as f:
-            for i, (img, duration) in enumerate(zip(image_paths, panel_durations)):
-                f.write(f"file '{img.replace(os.sep, '/')}'\n")
-                f.write(f"duration {duration}\n")
+        # 为每个面板生成动态片段
+        video_clips = []
+        for idx, (img_path, duration) in enumerate(zip(image_paths, panel_durations)):
+            output_clip = os.path.join(clip_dir, f"clip_{idx}.mp4")
             
-            # 最后一张图片需要单独添加，否则会被忽略
-            f.write(f"file '{image_paths[-1].replace(os.sep, '/')}'\n")
+            # FFmpeg命令生成缩放效果
+            zoom_cmd = [
+                "ffmpeg", "-y",
+                "-loop", "1",
+                "-i", img_path,
+                "-vf",
+                f"zoompan=z='1.0+0.1*(on/({duration}*25))':d={duration}*25",
+                "-t", str(duration),
+                "-pix_fmt", "yuv420p",
+                output_clip
+            ]
+            subprocess.run(zoom_cmd, check=True)
+            video_clips.append(output_clip)
+        # 合并所有动态片段
+        concat_list = os.path.join(project_dir, "concat_list.txt")
+        with open(concat_list, "w") as f:
+            for clip in video_clips:
+                f.write(f"file '{clip}'\n")
         
-        # 先创建无字幕的视频 - 使用更精确的同步选项
         temp_video = os.path.join(project_dir, "temp_video.mp4")
-        cmd1 = [
+        subprocess.run([
             "ffmpeg", "-y",
-            "-f", "concat", "-safe", "0", "-i", frames_list,
+            "-f", "concat",
+            "-safe", "0",
+            "-i", concat_list,
             "-i", audio_file,
-            "-vf", "zoompan=z='1.0+0.02*sin(2*PI*on/25/5)':d=1",  # 正弦波动缩放
-            "-c:v", "libx264", "-pix_fmt", "yuv420p",
-            "-c:a", "aac", "-strict", "experimental",
-            "-vsync", "vfr",  # 确保视频帧率与时间轴匹配
-            "-async", "1",    # 音频同步
+            "-c:v", "libx264",
+            "-c:a", "aac",
+            "-vsync", "vfr",
+            "-async", "1",
             temp_video
-        ]
-        subprocess.run(cmd1, check=True)
+        ], check=True)
 
         # 构建滤镜链
         combined_filter = (